Merge branch 'jn/rebase-rename-am' into maint

* jn/rebase-rename-am:
  rebase: protect against diff.renames configuration
  t3400 (rebase): whitespace cleanup
  Teach "apply --index-info" to handle rename patches
  t4150 (am): futureproof against failing tests
  t4150 (am): style fix

diff --cc git-rebase.sh
Simple merge

diff --cc t/test-lib.sh
Simple merge